<template>
    <div id="aCoursesList" class="bg-fa of">
      <!-- 讲师列表 开始 -->
      <section class="container">
        <header class="comm-title all-teacher-title">
          <h2 class="fl tac">
            <span class="c-333">全部讲师</span>
          </h2>
          <section class="c-tab-title">
            <a id="subjectAll" title="全部" href="#">全部</a>
            <!-- <c:forEach var="subject" items="${subjectList }">
                              <a id="${subject.subjectId}" title="${subject.subjectName }" href="javascript:void(0)" onclick="submitForm(${subject.subjectId})">${subject.subjectName }</a>
            </c:forEach>-->
          </section>
        </header>
        <section class="c-sort-box unBr">
          <div>i
            <!-- /无数据提示 开始-->
            <section class="no-data-wrap" v-if="data.total==0">
              <em class="icon30 no-data-ico">&nbsp;</em>
              <span class="c-666 fsize14 ml10 vam">没有相关数据，小编正在努力整理中...</span>
            </section>
            <!-- /无数据提示 结束-->
            <article v-if="data.total > 0" class="i-teacher-list">
              <ul class="of">
                <!-- ：key进行唯一标识 -->
                <li v-for="teacher in data.items" :key="teacher.id"> 
                  <section class="i-teach-wrap">
                    <div class="i-teach-pic">
                      <a :href="'/teacher/'+teacher.id" :title="teacher.name" target="_blank">
                        <img :src="teacher.avatar" :alt="teacher.name" style="width:500px; height:150px">
                      </a>
                    </div>
                    <div class="mt10 hLh30 txtOf tac">
                      <a :href="'/teacher/'+teacher.id" :title="teacher.name" target="_blank" class="fsize18 c-666">{{teacher.name}}</a>
                    </div>
                    <div class="hLh30 txtOf tac">
                      <span class="fsize14 c-999">{{teacher.intro}}</span>
                    </div>
                    <div class="mt15 i-q-txt">
                      <p class="c-999 f-fA">{{teacher.career}}</p>
                    </div>
                  </section>
                </li>
              </ul>
              <div class="clear"></div>
            </article>
          </div>

          <!-- 公共分页 开始 -->
        <div>
          <div class="paging">
            <!-- undisable这个class是否存在，取决于数据属性hasPrevious -->
            <a
              :class="{undisable: !data.hasPrevious}"
              href="#"
              title="首页"
              @click.prevent="gotoPage(1)">首</a>
            <a
              :class="{undisable: !data.hasPrevious}"
              href="#"
              title="前一页"
              @click.prevent="gotoPage(data.current-1)">&lt;</a>
            <a
              v-for="page in data.pages"
              :key="page"
              :class="{current: data.current == page, undisable: data.current == page}"
              :title="'第'+page+'页'"
              href="#"
              @click.prevent="gotoPage(page)">{{ page }}</a>
            <a
              :class="{undisable: !data.hasNext}"
              href="#"
              title="后一页"
              @click.prevent="gotoPage(data.current+1)">&gt;</a>
            <a
              :class="{undisable: !data.hasNext}"
              href="#"
              title="末页"
              @click.prevent="gotoPage(data.pages)">末</a>
            <div class="clear"/>
          </div>
        </div>
        <!-- 公共分页 结束 -->

        </section>
      </section>
      <!-- /讲师列表 结束 -->
    </div>
  </template>
  <script>
  import teacher from '@/api/teacher'
  export default {
    // 异步调用  只调用一次
    // params 相当于 this.$route.params.id 等价 params.id 得到路径中的值
    asyncData({params, error}) {
        return teacher.getTeacherList(1,8).then(resp => {
          // resp.data.data
          return {data: resp.data.data}
        })
      
    },

    
    methods: {
      // 下面就分页切换
      // 参数是页码数
      gotoPage(page){
        if(page > this.data.pages){
          page = this.data.pages
        }
        teacher.getTeacherList(page,8).then(resp => {
          this.data = resp.data.data
        })
      }
    },
  };
  </script>
  <style>
    .undisable{
      pointer-events: none
    }
  </style>